"The Messenger of Allah ﷺ used to pray witr with three rak'ahs. In the first he would recite "Glorify the Name of Your Lord, the Most High;" in the second: "Say: O You disbelievers!" and in the third: "Say: He is Allah, (the) One.'"
كَانَ رَسُولُ اللَّهِ ﷺ يُوتِرُ بِثَلاَثٍ يَقْرَأُ فِي الأُولَى بِ { سَبِّحِ اسْمَ رَبِّكَ الأَعْلَى } وَفِي الثَّانِيَةِ بِ { قُلْ يَا أَيُّهَا الْكَافِرُونَ } وَفِي الثَّالِثَةِ بِ { قُلْ هُوَ اللَّهُ أَحَدٌ } أَوْقَفَهُ زُهَيْرٌ